.notification-center {
  position: fixed;
  top: var(--menu-height, 24px);
  right: 0;
  bottom: 0;
  width: min(380px, 100vw);
  z-index: 2500;
  background: var(--space-bg-notification);
  border-left: 1px solid var(--space-border-subtle);
  box-shadow: var(--space-shadow-lg);
  display: flex;
  flex-direction: column;
  animation: ncSlideIn var(--space-duration-normal) var(--space-ease-decelerate);
}

.notification-center.hidden { display: none; }

.nc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--space-border-subtle);
}

.nc-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--space-text-primary);
}

.nc-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nc-btn-text {
  border: none;
  background: none;
  color: var(--space-accent);
  font-size: 11px;
  cursor: pointer;
  padding: 4px 6px;
}

.nc-close {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: var(--space-radius-sm);
  background: var(--space-bg-hover);
  color: var(--space-text-secondary);
  font-size: 18px;
  cursor: pointer;
}

.nc-calendar-wrap {
  padding: 12px 16px;
  border-bottom: 1px solid var(--space-border-subtle);
}

.nc-calendar {
  background: var(--space-bg-window);
  border-radius: var(--space-radius-md);
  padding: 12px;
}

.nc-cal-header {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: capitalize;
  color: var(--space-text-primary);
}

.nc-cal-weekdays,
.nc-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
  font-size: 11px;
}

.nc-cal-weekdays span {
  color: var(--space-text-secondary);
  font-weight: 600;
  padding: 4px 0;
}

.nc-cal-day {
  padding: 4px;
  border-radius: 4px;
  color: var(--space-text-primary);
}

.nc-cal-day.today {
  background: var(--space-accent);
  color: var(--space-text-inverse);
  font-weight: 700;
}

.nc-cal-empty { visibility: hidden; }

.nc-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.nc-item {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--space-radius-md);
  margin-bottom: 4px;
  cursor: pointer;
}

.nc-item:hover { background: var(--space-bg-hover); }
.nc-item.unread { background: var(--space-bg-selected); }

.nc-item-icon { font-size: 18px; flex-shrink: 0; }

.nc-item-body strong {
  display: block;
  font-size: 13px;
  color: var(--space-text-primary);
}

.nc-item-body p {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--space-text-secondary);
  line-height: 1.35;
}

.nc-item-body time {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  color: var(--space-text-disabled);
}

.nc-empty {
  text-align: center;
  color: var(--space-text-secondary);
  padding: 24px;
  font-size: 13px;
}

.menu-notification-wrap {
  position: relative;
  display: inline-flex;
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -6px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--space-error);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
}

.notification-badge.hidden { display: none; }

@keyframes ncSlideIn {
  from { transform: translateX(100%); opacity: 0.5; }
  to { transform: translateX(0); opacity: 1; }
}